night lunch
n.— «As our lovely little girl, Anna, came early, we had to spend a few extra weeks in the hospital with her. My wife and I learned a few things.…There’s a mystical fourth meal around 9pm called “night lunch.”» —“Things I Learned in the Hospital” by Steven Garrity Acts of Volition Aug. 17, 2008. (source: Double-Tongued Dictionary)
Further reading
Brenna, a nurse in Rapid City, South Dakota, says she was on a hospital elevator full of people and when the doors opened and someone in the back was trying to get off, she piped up with One side or a leg off!, but no one understood that phrase. It...
Miranda, a nurse in Altoona, Pennsylvania, had a patient who described her hospital food as the pits, meaning it wasn’t good. The expressions the pits and in the pits arose out of 1950s college slang, and derive from the notion of smelly...